Q: Is 321,345 a Composite Number?

 A: Yes, 321,345 is a composite number.

Why is 321,345 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 321,345 can be evenly divided by 1 3 5 9 15 37 45 111 185 193 333 555 579 965 1,665 1,737 2,895 7,141 8,685 21,423 35,705 64,269 107,115 and 321,345, with no remainder.

Since 321,345 cannot be divided by just 1 and 321,345, it is a composite number.


More Examples

Number 321,343321,344321,346321,347
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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